public void DrawTriangle(Vertex v1, Vertex v2, Vertex v3)
{
ConvertToNDC(v1.pos.x, v1.pos.y, out v1.pos.x, out v1.pos.y);
ConvertToNDC(v2.pos.x, v2.pos.y, out v2.pos.x, out v2.pos.y);
ConvertToNDC(v3.pos.x, v3.pos.y, out v3.pos.x, out v3.pos.y);
NormalizedDevice.DrawTriangle(this, v1, v2, v3);
}
public static void DrawCall(IDevice device, Mesh mesh, Material material, Matrix4x4 M, Matrix4x4 V, Matrix4x4 P)
{
currentMaterial = material != null ? material : Material.none;
currentM = M;
currentV = V;
currentP = P;
currentMVP = P * (V * M);
currentInverseM = Matrix4x4.Inverse(M);
CullFaceType faceCull = currentMaterial != null ? currentMaterial.cull : CullFaceType.None;
for (int i = 0, count = mesh.indexs.Count; i < count; i += 3)
{
Vertex v1 = mesh.vertexs[mesh.indexs[i]];
Vertex v2 = mesh.vertexs[mesh.indexs[i + 1]];
Vertex v3 = mesh.vertexs[mesh.indexs[i + 2]];
Vector4 hc1 = CallVertexStage(ref v1);
Vector4 hc2 = CallVertexStage(ref v2);
Vector4 hc3 = CallVertexStage(ref v3);
if (HomogeneousSpaceFaceCull(hc1, hc2, hc3, faceCull))
{
continue;
}
if (CanonicalViewVolumeCull(hc1) && CanonicalViewVolumeCull(hc2) && CanonicalViewVolumeCull(hc3))
{
continue;
}
PerspectiveDivisionToNDC(hc1, ref v1);
PerspectiveDivisionToNDC(hc2, ref v2);
PerspectiveDivisionToNDC(hc3, ref v3);
NormalizedDevice.DrawTriangle(device, v1, v2, v3);
}
}